As the connecting device of crossheading transport equipment between stage loader and belt conveyor, the belt conveyor boot-end applies to high-productivity and high-efficiency work faces with belt widths of 1000, 1200, 1400 mm. This product satisfies requirements for fast pushing and moving as well. The device also boasts the functions of an adjusting belt, as well as the straightening, pushing, moving, and self-shifting of the stage loader. It further ensures smooth and well-connected crossheading transportation and transfer.